" ======>根据文件类型自动加入解释器
autocmd BufNewFile *.py,*.sh exec ":call SetTitle()"
func SetTitle()
    if &filetype == "python"
        call setline(1,"\# -*- coding: utf-8 -*-")
    elseif &filetype == "sh"
        call setline(1,"\#! /bin/bash")
    elseif &filetype == "go"
        call setline(1,"package main")
    endif
endfunc
